Finding the Fourth Proportional to 22,228.17, 30,674.57 and 12,668.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,228.17 : 30,674.57 = 12,668.63 : x
2. Step 2: Convert to fraction form
   22,228.17/30,674.57 = 12,668.63/x
3. Step 3: Cross multiply
   22,228.17x = 30,674.57 × 12,668.63
4. Step 4: Simplify right side
   22,228.17x = 388,604,732.72
5. Step 5: Solve for x
   x = 388,604,732.72/22,228.17
6. Step 6: Final answer
   x = 17,482.53